AT 0523C, TOWER 6 ON CAMP FALCON REPORTED OBSERVING 1X RD IMPACTING BEHIND THEIR TOWER IN THE VICINITY OF THE AMMUNITION HOLDING AREA. TOWER 6 ALSO REPORTED THAT THEY HEARD 5X IMPACTS NORTH OF THE FOB. AIR ASSETS WERE VECTORED INTO ZONE 26 AT THE SITE OF POSSIBLE POO. 5 BCT Q36 RADAR AND LCMR DID NOT RECEIVE ANY ACQUISITION. 5 BCT ORDERED A 100 PERCENT ACCOUNTABILITY OF ALL PERSONNEL. 5BCT QRF WENT TO LOOK FOR POSSIBLE CRATER AND CONFIRMED THAT 1X ROUND LANDED IN THE PX. THE ROUND PENETRATED THE CEILING AND DETONATED INSIDE THE CUSTOMER AREA. THERE WHERE NO INJURIES TO US OR CIVILIAN PERSONNEL. ALSO 515 FSB REPORTED THAT THERE WERE NO DAMAGES TO THE AMMUNITION HOLDING AREA. CRATER ANALYSIS PENDING.